Studies on the Container for Disposing Radioactive Wastes into the Sea-III

Sasaki, Tadayoshi; Kishino, Motoaki; Oshiba, Gohachiro; Watanabe, Seiichi; OKAZAKI, Moriyoshi

doi:10.5928/kaiyou1942.20.179

Journal of the Oceanographical Society of Japan

1964

DOI: 10.5928/kaiyou1942.20.179

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Studies on the Container for Disposing Radioactive Wastes into the Sea-III

Tadayoshi Sasaki¹,

Motoaki Kishino

Gohachiro Oshiba

et al.

Abstract: Abstract:When a great number of containers for the disposal of radioactive wastes were discarded into the sea at depths below 2,000m safty methods of disposal were investigated.

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1984

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Photographic monitoring system for observing heavy free-falling objects: Multi-stage design packages of radioactive waste

Ito¹,

Ouchi²,

Hisa³

et al. 1984

Journal of the Oceanographical Society of Japan

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Abstract:In the consideration of safety it is required that packages containing radioactive wastes when dumped at sea should keep their integrity and retain their contents until they reach the seabed. Packages containing simulated radioactive wastes (non-radioactive) were tested by a free-fall method at depths ca. 4, 300 m in an area for dumping industrial waste off Shikoku Island. Since the weight of the largest package was 4,300kg, special attention was paid to the connection of a buoyancy system with mooring rope. Descent and ascent velocities of the free-fall system were calculated prior to the experiment. A free-fall experiment with an extremely heavy object, heavier than ever previously reported, was accomplished without trouble by using the free-fall system. Recovery of a camera, flash-light, and other components was successful in each of the three experiments. Successive photographing of the package during descent was made and its integrity was observed using the photographs taken by the recovered camera. The packages remained intact during descent and at least for a short time after arrival on the seabed.

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Photographic monitoring system for observing heavy free-falling objects: Multi-stage design packages of radioactive waste

Ito¹,

Ouchi²,

Hisa³

et al. 1984

Journal of the Oceanographical Society of Japan

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show abstract

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Studies on the Container for Disposing Radioactive Wastes into the Sea-III

Abstract: Abstract:When a great number of containers for the disposal of radioactive wastes were discarded into the sea at depths below 2,000m safty methods of disposal were investigated.

Cited by 1 publication

References 2 publications

Photographic monitoring system for observing heavy free-falling objects: Multi-stage design packages of radioactive waste

Photographic monitoring system for observing heavy free-falling objects: Multi-stage design packages of radioactive waste

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